Known Issues In Windows 10 Build 14915 for PC and Mobile

Microsoft today released Windows 10 Insider Preview Build 14915 for PC and Mobile to Windows Insiders in the Fast ring. With this build, Windows Insiders that have Delivery Optimization enabled will be able to download new Insider Preview builds, OS updates, and app updates from other PCs on their local network as well as from other PCs on the Internet. This build also includes several bug fixes and known issues. Find the list of known issues below.

Known issues for PC:

Adobe Acrobat Reader crashes when you try to launch it.

You may experience a black screen when signing out and switching to another user account and will be unable to log in to that account. A reboot of your PC should allow you to log in to that account.

Bash may not work after upgrading to this build. To get it working again, go to “Turn Windows features on or off”, scroll down and check “Windows Subsystem for Linux (beta)” and click ok. After a reboot, Bash should work again.